Merge dynamic bitset from release.
I think the recent changes in trunk and release were for the same problem. But
I'm not sure so I've merged them together. Hopefully, the release branch might
fix the Intel C++ errors as well.
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r52960 | dgregor | 2009-05-13 07:11:03 +0100 (Wed, 13 May 2009) | 1 line
Use enum constants rather than local variables for integral constants. Should fix dynamic_bitset failures on GCC 4.3.x
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[SVN r53050]
Daniel James